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Reminder Round all answers to two decimal places unless otherwise indicated.
Drug Concentration When a drug is administered orally, it takes some time before the blood concentration reaches its maximum level. After that time, concentration levels decrease. When 500 milligrams of procainamide is administered orally, one model for a particular patient gives blood concentration C, in milligrams per liter, after t hours as
During what time period is the drug concentration level at least 1.5 milligrams per liter?
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